<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
</head>
<body>
<div id="app">
    <input type="text" v-model="message" value="hello world">
    <p>{{ message }}</p>
</div>
<!--引入vue文件-->
<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
<script>
    const vm = Vue.createApp({
        data() {
            return {
                message: '撒打发士大夫'
            }
        }
    }).mount('#app');
</script>

</body>
</html>
